Home / 124,419.60-171,701.63-69,972.81

Finding the Fourth Proportional to 124,419.60, 171,701.63 and 69,972.81

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Solution

The fourth proportional to 124,419.60, 171,701.63 and 69,972.81 is: 96,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,419.60 : 171,701.63 = 69,972.81 : x
  2. Step 2: Convert to fraction form
    124,419.60/171,701.63 = 69,972.81/x
  3. Step 3: Cross multiply
    124,419.60x = 171,701.63 × 69,972.81
  4. Step 4: Simplify right side
    124,419.60x = 12,014,445,182.82
  5. Step 5: Solve for x
    x = 12,014,445,182.82/124,419.60
  6. Step 6: Final answer
    x = 96,563.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.